S
M
T
W
T
F
S
30
94°
72°
31
93°
74°
1
93°
72°
2
92°
72°
3
93°
74°
4
93°
73°
5
91°
70°
6
92°
71°
7
91°
73°
8
89°
72°
9
88°
73°
10
90°
72°
11
90°
72°
12
90°
71°
13
87°
71°
14
87°
70°
15
88°
71°
16
87°
71°
17
87°
70°
18
86°
70°
19
86°
66°
20
87°
65°
21
85°
66°
22
86°
69°
23
87°
69°
24
85°
68°
25
87°
69°
26
88°
68°
27
89°
68°
28
88°
67°
29
87°
67°
30
88°
66°
1
85°
67°
2
87°
64°
3
Hist. Avg.
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Howell
Howell's September 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 64° and 74°. The average high for September is 89° with an average low of 70°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Howell. See also: October | November | December.
